Tree stand



FIG. 1 is a perspective view of a tree stand showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged portion view taken from encircled portion labeled FIG. 8 in FIG. 1; and,

FIG. 9 is an enlarged portion view taken from encircled portion labeled FIG. 9 in FIG. 7.

The broken lines shown in the drawings depict portions of the tree stand that form no part of the claimed design.

The dashed-dot lines in FIGS. 1 and 7 illustrate the boundary lines of the enlarged portion views shown in FIGS. 8 and 9 and form no part of the claimed design. 

CLAIM The ornamental design for a tree stand, as shown and described. 